:root {
  --bg: #faf8f5;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #164e3b;
  --primary-hover: #0f3a2b;
  --accent: #9f1239;
  --accent-soft: #fff1f2;
  --success: #065f46;
  --success-bg: #ecfdf5;
  --warn-bg: #fffbeb;
  --warn-border: #fde68a;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.container-wide {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.hero {
  background: linear-gradient(135deg, #164e3b 0%, #0f3a2b 100%);
  color: #fff;
  padding: 28px 28px 24px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.hero h1 {
  margin: 0 0 6px;
  font-size: 1.65rem;
  letter-spacing: -0.01em;
}

.hero p {
  margin: 0;
  opacity: 0.92;
  font-size: 0.96rem;
}

.countdown-bar {
  margin-top: 16px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.countdown-bar.closed {
  background: rgba(159, 18, 57, 0.85);
  border-color: rgba(255, 255, 255, 0.3);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 4px;
  font-size: 1.15rem;
  color: var(--primary);
}

.card .section-sub {
  margin: 0 0 18px;
  font-size: 0.88rem;
  color: var(--muted);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 640px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 5px;
}

.req { color: var(--accent); margin-left: 2px; }

.hint {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 4px;
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22, 78, 59, 0.12);
}

input.invalid, select.invalid, textarea.invalid {
  border-color: var(--accent);
  background: #fffafa;
}

.field-error {
  color: var(--accent);
  font-size: 0.82rem;
  margin-top: 4px;
  display: none;
}

.field-error.visible { display: block; }

.radio-group, .checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.choice-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.92rem;
  transition: border-color 0.15s, background 0.15s;
}

.choice-pill:hover {
  border-color: #9ca3af;
  background: #f9fafb;
}

.choice-pill input {
  width: auto;
  margin: 0;
  accent-color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 8px;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.05s;
}

.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary { background: #f3f4f6; color: var(--text); border: 1px solid #d1d5db; }
.btn-secondary:hover { background: #e5e7eb; }

.btn-sm { padding: 6px 12px; font-size: 0.84rem; }

.banner {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.banner-info { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e3a8a; }
.banner-warn { background: var(--warn-bg); border: 1px solid var(--warn-border); color: #92400e; }
.banner-error { background: var(--accent-soft); border: 1px solid #fecdd3; color: var(--accent); }
.banner-success { background: var(--success-bg); border: 1px solid #a7f3d0; color: var(--success); }

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.preset-btn {
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid #d1d5db;
  background: #f9fafb;
  font-size: 0.82rem;
  cursor: pointer;
}

.preset-btn:hover { background: #e5e7eb; }

.hidden { display: none !important; }

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
}

.modal-box {
  background: #fff;
  border-radius: var(--radius);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 12px 0 20px;
}

.summary-table td {
  padding: 7px 0;
  border-bottom: 1px solid #f3f4f6;
  vertical-align: top;
}

.summary-table td:first-child {
  color: var(--muted);
  width: 150px;
  padding-right: 12px;
}

.receipt-badge {
  display: inline-block;
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid #a7f3d0;
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
}

/* Admin table */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.stat-card .label { font-size: 0.8rem; color: var(--muted); font-weight: 600; text-transform: uppercase; }
.stat-card .value { font-size: 1.65rem; font-weight: 700; color: var(--primary); margin-top: 4px; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

table.data-table th, table.data-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

table.data-table th {
  background: #f9fafb;
  font-weight: 600;
  color: #374151;
}

table.data-table tr:hover td { background: #f9fafb; }